Merge pull request #738 from Paraphraser/20231024-mjpg-streamer-master

2023-10-24 mjpg-streamer container - master branch - PR 1 of 2

.templates/mjpg-streamer/Dockerfile

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+# supported build argument
+ARG DEBIAN_VARIANT=bullseye-slim
+
+# Download base image
+FROM debian:${DEBIAN_VARIANT}
+
+# re-reference supported argument and copy to environment var
+ARG DEBIAN_VARIANT
+ENV DEBIAN_VARIANT=${DEBIAN_VARIANT}
+
+ARG DEBIAN_FRONTEND=noninteractive
+ENV TZ=UTC
+
+# Refer https://github.com/jacksonliam/mjpg-streamer/issues/386
+# This assumes a Debian build and references:
+#     libjpeg62-turbo-dev
+# For Ubuntu, replace with:
+#     libjpeg8-dev
+
+# acknowledgement: mostly borrowed from https://github.com/Cossey/docker
+RUN apt-get -q -y update \
+ && apt-get -q -y -o "DPkg::Options::=--force-confold" -o "DPkg::Options::=--force-confdef" install apt-utils \
+ && rm -rf /etc/dpkg/dpkg.cfg.d/excludes \
+ && apt-get -q -y -o "DPkg::Options::=--force-confold" -o "DPkg::Options::=--force-confdef" install \
+       cmake \
+       git \
+       gcc \
+       g++ \
+       libjpeg62-turbo-dev \
+       tzdata \
+       uuid-runtime \
+ && apt-get -q -y autoremove \
+ && apt-get -q -y clean \
+ && rm -rf /var/lib/apt/lists/* \
+ && git clone https://github.com/jacksonliam/mjpg-streamer.git /usr/src/mjpg-streamer \
+ && make -C /usr/src/mjpg-streamer/mjpg-streamer-experimental \
+ && make -C /usr/src/mjpg-streamer/mjpg-streamer-experimental install \
+ && rm -rf /usr/src/mjpg-streamer \
+ && apt-get -q -y -o "DPkg::Options::=--force-confold" -o "DPkg::Options::=--force-confdef" purge \
+       cmake \
+       git \
+       gcc \
+       g++
+
+# set up the container start point
+ENV ENTRYPOINT_SCRIPT="docker-entrypoint.sh"
+COPY docker-entrypoint.sh /usr/local/bin
+RUN chmod 755 /usr/local/bin/docker-entrypoint.sh
+
+# starting point - self-repair (if ever needed) and launch
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+# the streamer invocation
+CMD mjpg_streamer \
+    -i "/usr/local/lib/mjpg-streamer/input_uvc.so -d ${MJPG_STREAMER_INTERNAL_DEVICE} -n -f ${MJPG_STREAMER_FPS} -r ${MJPG_STREAMER_SIZE}" \
+    -o "/usr/local/lib/mjpg-streamer/output_http.so -p 80 -w /usr/local/share/mjpg-streamer/www ${MJPG_STREAMER_CREDENTIALS}"
+
+# set root's home directory as default (probably unnecessary)
+WORKDIR /root
+
+# port
+EXPOSE "80"
+
+# set container metadata
+LABEL com.github.SensorsIot.IOTstack.Dockerfile.build-args="${DEBIAN_VARIANT}"
+LABEL com.github.SensorsIot.IOTstack.Dockerfile.maintainer="Paraphraser <[email protected]>"
+
+# EOF

.templates/mjpg-streamer/docker-entrypoint.sh

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+#!/bin/bash
+
+set -e
+
+# sensible defaults for supported variables
+export MJPG_STREAMER_SIZE=${MJPG_STREAMER_SIZE:-640x480}
+export MJPG_STREAMER_FPS=${MJPG_STREAMER_FPS:-5}
+export MJPG_STREAMER_INTERNAL_DEVICE=${MJPG_STREAMER_INTERNAL_DEVICE:-/dev/video0}
+
+# form credential string (if the user does not pass a username, the
+# username will be the container name - change on each recreate; if
+# the user does not pass a password, the password will be a uuid and
+# will change on every launch).
+MJPG_STREAMER_USERNAME=${MJPG_STREAMER_USERNAME:-$(hostname -s)}
+MJPG_STREAMER_PASSWORD=${MJPG_STREAMER_PASSWORD:-$(uuidgen)}
+export MJPG_STREAMER_CREDENTIALS="-c ${MJPG_STREAMER_USERNAME}:${MJPG_STREAMER_PASSWORD}"
+
+# are we running as root?
+if [ "$(id -u)" = '0' ] ; then
+
+	echo "MJPG Streamer launched at $(date)"
+
+	# any self-repair code goes here - there is no persistent storage
+	# at the moment so this is irrelevant.
+
+fi
+
+# away we go
+exec "$@"

.templates/mjpg-streamer/service.yml

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+mjpg-streamer:
+  container_name: mjpg-streamer
+  build: ./.templates/mjpg-streamer/.
+  restart: unless-stopped
+  environment:
+    - TZ=${TZ:-Etc/UTC}
+    - MJPG_STREAMER_USERNAME=${MJPG_STREAMER_USERNAME:-}
+    - MJPG_STREAMER_PASSWORD=${MJPG_STREAMER_PASSWORD:-}
+    - MJPG_STREAMER_SIZE=${MJPG_STREAMER_SIZE:-}
+    - MJPG_STREAMER_FPS=${MJPG_STREAMER_FPS:-}
+  ports:
+    - "8980:80"
+  devices:
+    - "${MJPG_STREAMER_EXTERNAL_DEVICE:-/dev/video0}:/dev/video0"
+